5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
4WSTK Connectors & Board ID
I/O Port Connections
Board Function Page
1
2
3
RF, Antenna & Power
Title Page
EFR32xG22 Radio Board
2.4 GHz 6 dBm
EFR32xG22 Radio Board
2.4 GHz 6 dBm
EFR32xG22 Radio Board
2.4 GHz 6 dBm
Size
Designed:
Revision
Sheet
of
Approved:
Sheet Created Date Sheet Modified Date
Document number
Schematic Title
Design Created Date:
BOM Doc No:
Page Title
A02
BRD4182A
Monday, March 11, 2019
1 4
A3
TAB
JSH
EFR32xG22 2.4 GHz 6 dBm Radio Board
Friday, November 03, 2017
Friday, November 03, 2017
Title Page
Size
Designed:
Revision
Sheet
of
Approved:
Sheet Created Date Sheet Modified Date
Document number
Schematic Title
Design Created Date:
BOM Doc No:
Page Title
A02
BRD4182A
Monday, March 11, 2019
1 4
A3
TAB
JSH
EFR32xG22 2.4 GHz 6 dBm Radio Board
Friday, November 03, 2017
Friday, November 03, 2017
Title Page
Size
Designed:
Revision
Sheet
of
Approved:
Sheet Created Date Sheet Modified Date
Document number
Schematic Title
Design Created Date:
BOM Doc No:
Page Title
A02
BRD4182A
Monday, March 11, 2019
1 4
A3
TAB
JSH
EFR32xG22 2.4 GHz 6 dBm Radio Board
Friday, November 03, 2017
Friday, November 03, 2017
Title Page
Revision History
Rev. Description
A00 Initial production release.
Mounted U1. Updated C1, C2 P/N.A01
Matching network layout improvement at
C1 GND pad.
A02
Revision History
Rev. Description
A00 Initial production release.
Mounted U1. Updated C1, C2 P/N.A01
Matching network layout improvement at
C1 GND pad.
A02
Revision History
Rev. Description
A00 Initial production release.
Mounted U1. Updated C1, C2 P/N.A01
Matching network layout improvement at
C1 GND pad.
A02
PCB1
PCB4182A
COPYRIGHT SILICON LABORATORIES INC. 2020 CONFIDENTIAL - SUBJECT TO TERMS OF USE
LEGAL NOTICE:
SILICON LABORATORIES INC. (“SILICON LABS”) AND/OR ITS LICENSORS DO NOT WARRANT THE ACCURACY
OR COMPLETENESS OF THIS SCHEMATIC OR ANY INFORMATION CONTAINED WITHIN THIS SCHEMATIC.
IT IS PROVIDED “AS-IS” FOR REFERENCE ONLY. SILICON LABS DOES NOT WARRANT THAT THIS DESIGN
WILL MEET THE SPECIFICATIONS, BE SUITABLE FOR YOUR APPLICATION OR FIT FOR ANY PARTICULAR
PURPOSE, OR WILL OPERATE IN YOUR IMPLEMENTATION. SILICON LABS AND ITS LICENSORS DO NOT
WWARRANT THAT THE DESIGN IMPLIED IN THIS SCHEMATIC IS PRODUCTION-WORTHY. YOU SHOULD
COMPLETELY VALIDATE AND TEST YOUR DESIGN IMPLEMENTATION TO CONFIRM SYSTEM FUNCTIONALITY
FOR YOUR APPLICATION.
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
Power & Decoupling
Antenna & Radio Interface
2.4 GHz matching
network
Antenna
tuning
component
PAVDD Configuration
Not mountMount
MountR211
R210
Power Config 2
DCDC to PAVDD
Power Config 1
VMCU to PAVDD
Not mount
High Frequency Crystal
RF Shielding
Overlay
pads of
R210/R211
GND
VDCDC
VMCU
GND
GND
PAVDD
VDCDC
GND
GND
VMCU
GND
GNDGND GND
GND
GND
VMCU
PAVDD
VDCDC
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
VMCU
VDCDC
EFR32_#RESET
Size
Designed:
Revision
Sheet
of
Approved:
Sheet Created Date Sheet Modified Date
Document number
Schematic Title
Design Created Date:
BOM Doc No:
Page Title
A02
BRD4182A
Monday, March 11, 2019
2 4
A3
TAB
JSH
EFR32xG22 2.4 GHz 6 dBm Radio Board
Friday, November 03, 2017
Friday, November 03, 2017
RF, Antenna and Power
Size
Designed:
Revision
Sheet
of
Approved:
Sheet Created Date Sheet Modified Date
Document number
Schematic Title
Design Created Date:
BOM Doc No:
Page Title
A02
BRD4182A
Monday, March 11, 2019
2 4
A3
TAB
JSH
EFR32xG22 2.4 GHz 6 dBm Radio Board
Friday, November 03, 2017
Friday, November 03, 2017
RF, Antenna and Power
Size
Designed:
Revision
Sheet
of
Approved:
Sheet Created Date Sheet Modified Date
Document number
Schematic Title
Design Created Date:
BOM Doc No:
Page Title
A02
BRD4182A
Monday, March 11, 2019
2 4
A3
TAB
JSH
EFR32xG22 2.4 GHz 6 dBm Radio Board
Friday, November 03, 2017
Friday, November 03, 2017
RF, Antenna and Power
C115
1U
R111
0R
C2
1P3
C110
100N
R210
0R
NM
L102
BLM18AG102SN1
1 2
CC1
18P
P2
U.FL
3
2
1
R227
0R
DC/DC Regulator
Analog Supply
I/O Supply
Reset
Ground
Digital Supply
Digital Logic
Digital Regulator
U1C
EFR32MG22A224F512IM40
RESETn
11
DVDD
34
DECOUPLE
30
IOVDD
36
VSS_PAD
0
AVDD
35
VREGVDD
32
VREGSW
31
VREGVSS
33
X3
38.4MHz
31
2
4
C113
1U
C1
1P3
C103
TBD
NM
L103
BLM18AG102SN1
1 2
C3
TBD
NM
R211
0R
C105
120P
AT1
INVERTED_F
C116
100N
RF SHIELD
FRAME
SH100
NM
GND
1
Ground
RF I/ORF Crystal
RF Analog Power
PA Power
U1B
EFR32MG22A224F512IM40
RF2G4_IO
14
RFVDD
12
HFXTAL_I
9
HFXTAL_O
10
PAVDD
15
RFVSS
13
R101
0R
C107
TBD
NM
C106
100N
C102
100N
RF SHIELD
COVER
SH101
NM
R114
0R
NM
R1
0R
R115
0R
L101
2U2
C111
10U
C117
4U7
C112
10N
C114
100N
C119
1U
L3
0R
C101
120P
C207
100N
L1
3N0
C118
100N
NM
R113
0R
R2
0R
NM
50R_P2
50R_IFA50R_Lant250R_CC1 50R_R1
COPYRIGHT SILICON LABORATORIES INC. 2020 CONFIDENTIAL - SUBJECT TO TERMS OF USE